LE, N. N. Simulation on personal computer of dynamic system having nonlinear damping force. Vietnam Journal of Mechanics, Hanoi, Vietnam, v. 15, n. 4, p. 32–35, 1993. DOI: 10.15625/0866-7136/10217. Disponível em: https://vjs.ac.vn/index.php/vjmech/article/view/10217. Acesso em: 9 may. 2024.